1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 20360e480bd8..5b01bd6d5ea0 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -599,7 +599,9 @@ static int acpi_pci_root_add(struct acpi_device *device,
                 pci_assign_unassigned_root_bus_resources(root->bus);
         }
 
+        pci_lock_rescan_remove();
         pci_bus_add_devices(root->bus);
+        pci_unlock_rescan_remove();
         return 1;
 
 end:
@@ -611,6 +613,8 @@ static void acpi_pci_root_remove(struct acpi_device *device)
 {
         struct acpi_pci_root *root = acpi_driver_data(device);
 
+        pci_lock_rescan_remove();
+
         pci_stop_root_bus(root->bus);
 
         device_set_run_wake(root->bus->bridge, false);
@@ -618,6 +622,8 @@ static void acpi_pci_root_remove(struct acpi_device *device)
 
         pci_remove_root_bus(root->bus);
 
+        pci_unlock_rescan_remove();
+
         kfree(root);
 }